[issue27235] Heap overflow occurred due to the int overflow (Python-2.7.11/Modules/posixmodule.c)

Changes by Serhiy Storchaka : -- stage: test needed -> resolved status: pending -> closed ___ Python tracker ___

[issue27235] Heap overflow occurred due to the int overflow (Python-2.7.11/Modules/posixmodule.c)

Christian Heimes added the comment: I agree with Xiang and Larry. I don't see how you can successfully create an overflow. -- nosy: +christian.heimes resolution: -> not a bug status: open -> pending ___ Python tracker

[issue27235] Heap overflow occurred due to the int overflow (Python-2.7.11/Modules/posixmodule.c)

Changes by Brian Martin : -- nosy: +osvdb status: pending -> open ___ Python tracker ___

[issue27235] Heap overflow occurred due to the int overflow (Python-2.7.11/Modules/posixmodule.c)

Changes by Serhiy Storchaka : -- stage: -> test needed status: open -> pending ___ Python tracker ___

[issue27235] Heap overflow occurred due to the int overflow (Python-2.7.11/Modules/posixmodule.c)

Larry Hastings added the comment: I agree with the previous comment author. Can you post a sample program that crashes Python? Please specify what platform you're running on. On 32-bit platforms, you'd be unable to construct even the first "r" * ((2**32)-1) string. That string would use

[issue27235] Heap overflow occurred due to the int overflow (Python-2.7.11/Modules/posixmodule.c)

Xiang Zhang added the comment: I am confused why this could happen. On x86 platform, you can not even create a string of size 0x. On x64 platform, I don't think strlen(s) + 3 can lead to overflow where s is of size Py_ssize_t. -- ___ Python

[issue27235] Heap overflow occurred due to the int overflow (Python-2.7.11/Modules/posixmodule.c)

Changes by Xiang Zhang : -- nosy: +xiang.zhang ___ Python tracker ___ ___ Python-bugs-list

[issue27235] Heap overflow occurred due to the int overflow (Python-2.7.11/Modules/posixmodule.c)

Changes by SilentGhost : -- components: +Extension Modules -Interpreter Core nosy: +larry ___ Python tracker ___

[issue27235] Heap overflow occurred due to the int overflow (Python-2.7.11/Modules/posixmodule.c)

Changes by Rustemzade Mehemmed : -- components: +Interpreter Core versions: +Python 2.7 ___ Python tracker ___

[issue27235] Heap overflow occurred due to the int overflow (Python-2.7.11/Modules/posixmodule.c)

Changes by Rustemzade Mehemmed : -- type: -> security ___ Python tracker ___ ___

[issue27235] Heap overflow occurred due to the int overflow (Python-2.7.11/Modules/posixmodule.c)

Changes by Rustemzade Mehemmed : -- title: Heap overflow occurred due to the int overflow -> Heap overflow occurred due to the int overflow (Python-2.7.11/Modules/posixmodule.c) ___ Python tracker